opm-simulators/python/test/test_mpi.py
Håkon Hægland a1b7d4b5dd Allow Python bindings to setup MPI
Allows the Python bindings to control whether MPI_Init() and
MPI_Finalize() will be called when creating an OPM::Main object.
2024-05-02 11:14:07 +02:00

35 lines
1.5 KiB
Python

import os
import unittest
from pathlib import Path
from opm.simulators import BlackOilSimulator
from .pytest_common import pushd
class TestBasic(unittest.TestCase):
@classmethod
def setUpClass(cls):
# NOTE: See comment in test_basic.py for the reason why we are
# only using a single test_all() function instead of splitting
# it up in multiple test functions
test_dir = Path(os.path.dirname(__file__))
cls.data_dir = test_dir.parent.joinpath("test_data/SPE1CASE1a")
# IMPORTANT: Tests are run alphabetically, so we need to make sure that
# the the first test calls MPI_Init(), therefore the name of the tests
# have a numeric label like "01" in test_01_mpi_init to ensure that they
# are run in a given order.
def test_01_mpi_init(self):
with pushd(self.data_dir):
sim = BlackOilSimulator("SPE1CASE1.DATA")
sim.setup_mpi(init=True, finalize=False)
sim.step_init() # This will create the OPM::Main() object which will call MPI_Init()
assert True
def test_02_mpi_no_init(self):
with pushd(self.data_dir):
sim = BlackOilSimulator("SPE1CASE1.DATA")
sim.setup_mpi(init=False, finalize=True)
sim.step_init() # This will create the OPM::Main() object which will not call MPI_Init()
# That this test runs shows that the simulator does not call
# MPI_Init() a second time
assert True